
# range语法1 range(num)
for x in range(10):
    print(x)

# range语法2 range(num1,num2)
for x in range(5,10):
    # 从5开始，到20结束不包含10
    print(x)

# range 语法3 range(num1,num2,num3)
for x in range(5,10,2):
    # 从5开始，到10结束不包含10，间隔2
    print(x)

for x in range(10):
    print("送玫瑰花")
